You can see OEE per shift in the OEE report:
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In the Bar and Lines series you can select a OEE for a shift type:
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A OEE for a shift type, will be named OEE - <Shift type>:
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When you have selected your OEE shifts, click Apply:
Now you can see your OEE in shifts:
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You can see the periods, that the different shifts covers in your shift schedule:
The shift type is displayed on the header of a shift in the calendar:
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And below the shift type you can the period that the shift covers:
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You can change the shift type for a shift, by double clicking it and select whether it is the entry or series that you want to edit. In the details of the shift, you can select the shift type: